Alert archive / Minnesota / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 89, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 30, 1994, 8:21 PM CDT for Sibley County, Minnesota. It was in force for 39 min.
The area
The counties it named.
The facts
- Issued
- Jun 30, 1994, 8:21 PM CDT (01:21 UTC)
- Expired
- Jun 30, 1994, 9:00 PM CDT
- In force
- 39 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Sibley County, MN
The nearest sounding before it
Minneapolis, MN (KSTC), launched 00:00Z, 1.4 hours before the alert went out and 58 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 2237 J/kg
- Mixed-layer CIN
- -42 J/kg
- Mixed-layer LCL
- 1140 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 266 m²/s²
- 0-3 km storm-relative helicity
- 383 m²/s²
- Significant tornado parameter
- 4.4
- Supercell composite
- 12.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS1 KMSP 010121 SVRMPX MNC143-010200- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MINNEAPOLIS MN 821 PM CDT THU JUN 30 1994 THE NATIONAL WEATHER SERVICE IN MINNEAPOLIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 900 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN CENTRAL MINNESOTA ...SIBLEY COUNTY AT 815 PM...WEATHER RADAR INDICATED SEVERE THUNDERSTORMS CONTINUED TO PERSIST ACROSS SIBLEY COUNTY. STRONGEST CELLS WERE NEAR ARLINGTON AND GAYLORD AT 815 PM...OR ABOUT 20 MILES SOUTHEAST OF HUTCHINSON. MOVEMENT OF THE THUNDERSTORMS WAS EAST SOUTHEAST AT 20 MILES AN HOUR. TOWNS IN THE PATH INCLUDE NEW ROME...HENDERSON AND RUSH RIVER. ADDITIONALLY...HEAVY RAINS ACROSS THE COUNTY MAY CAUSE LOCALIZED PONDING OF WATER. PRECAUTIONS SHOULD BE TAKEN BY MOTORISTS IF THEY ENCOUNTER WATER OVER THE ROAD...AS IT MAY BE DEEPER THAN IT APPEARS. LUSSKY SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND...LARGE HAIL... DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM. PEOPLE IN MOBILE HOMES SHOULD GO TO A STORM SHELTER.
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Jun 30, 6:03 PM CDT, 2 hours 18 minutes before
MNZ042>044-046-048>051-054>058-064-302330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST CLOUD MN 605 PM CDT THU JUN 30 1994 ...SEVERE THUNDERSTORM WARNING FOR MEEKER COUNTY UNTIL 630 PM... AT 600 PM RADAR SHOWED A LINE OF STRONG THUNDERSTORMS EXTENDING FROM ABOUT 10 MILES NORTHEAST OF ST CLOUD SOUTHWEST TO REDWOOD FALLS MINNESOTA. THESE THUNDERSTORMS WERE MOVING EAST AT 30 MPH. THESE STORMS SHOULD MOVE INTO CLEAR LAKE IN SHERBURNE COUNTY BY 615 PM AND HUTCHINSON IN MCLEOD COUNTY BY 630 PM. THESE STORMS ARE CAPABLE OF PRODUCING BRIEF PERIODS OF RAIN...LARGE HAIL...FREQUENT CLOUD TO GROUND LIGHTNING STRIKES AND GUSTY WINDS. PERSONS IN THE PATH OF THESE STORMS SHOULD BE PREPARED TO SEEK SHELTER IF NECESSARY. LISTEN TO NOAA WEATHER RADIO FOR UPDATES. FRASER
Special weather statement, Jun 30, 6:05 PM CDT, 2 hours 16 minutes before
MNZ042>044-046-048>051-054>058-064-302330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST CLOUD MN 605 PM CDT THU JUN 30 1994 ...SEVERE THUNDERSTORM WARNING FOR MEEKER COUNTY UNTIL 630 PM... AT 600 PM RADAR SHOWED A LINE OF STRONG THUNDERSTORMS EXTENDING FROM ABOUT 10 MILES NORTHEAST OF ST CLOUD SOUTHWEST TO REDWOOD FALLS MINNESOTA. THESE THUNDERSTORMS WERE MOVING EAST AT 30 MPH. THESE STORMS SHOULD MOVE INTO CLEAR LAKE IN SHERBURNE COUNTY BY 615 PM AND HUTCHINSON IN MCLEOD COUNTY BY 630 PM. THESE STORMS ARE CAPABLE OF PRODUCING BRIEF PERIODS OF RAIN...LARGE HAIL...FREQUENT CLOUD TO GROUND LIGHTNING STRIKES AND GUSTY WINDS. PERSONS IN THE PATH OF THESE STORMS SHOULD BE PREPARED TO SEEK SHELTER IF NECESSARY. LISTEN TO NOAA WEATHER RADIO FOR UPDATES. FRASER
Local storm report, Jun 30, 6:15 PM CDT, 2 hours 6 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST CLOUD MN
615 PM CDT THU JUN 30 1994
PRELIMINARY REPORT FOR 30 JUN 94
603 PM QUARTER SIZE (1 INCH) HAIL COVERED THE GROUND. 6 MILES
SOUTH OF LITCHFIELD MINNESOTA...ABOUT 40 MILES SOUTHWEST
OF ST CLOUD.
FRASERLocal storm report, Jun 30, 6:16 PM CDT, 2 hours 5 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST CLOUD MN
615 PM CDT THU JUN 30 1994
PRELIMINARY REPORT FOR 30 JUN 94
603 PM QUARTER SIZE (1 INCH) HAIL COVERED THE GROUND. 6 MILES
SOUTH OF LITCHFIELD MINNESOTA...ABOUT 40 MILES SOUTHWEST
OF ST CLOUD.
FRASERSpecial weather statement, Jun 30, 6:50 PM CDT, 1 hour 31 minutes before
MNZ042>044-046-048>051-054>058-064-010015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST CLOUD MN 650 PM CDT THU JUN 30 1994 ...SEVERE THUNDERSTORM WARNING FOR MEEKER COUNTY HAS EXPIRED... THE LINE OF THUNDERSTORMS THAT MOVED THROUGH CENTRAL MINNESOTA IS NOW LOCATED FROM MILACA IN MILLE LACS COUNTY SOUTHWARD TO THE NORTHWESTERN SUBURBS OF THE TWIN CITIES. AT 645 THE STRONGEST STORM WAS LOCATED NEAR BUFFALO IN WRIGHT COUNTY. PARKIN
Special weather statement, Jun 30, 6:52 PM CDT, 1 hour 29 minutes before
MNZ042>044-046-048>051-054>058-064-010015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST CLOUD MN 650 PM CDT THU JUN 30 1994 ...SEVERE THUNDERSTORM WARNING FOR MEEKER COUNTY HAS EXPIRED... THE LINE OF THUNDERSTORMS THAT MOVED THROUGH CENTRAL MINNESOTA IS NOW LOCATED FROM MILACA IN MILLE LACS COUNTY SOUTHWARD TO THE NORTHWESTERN SUBURBS OF THE TWIN CITIES. AT 645 THE STRONGEST STORM WAS LOCATED NEAR BUFFALO IN WRIGHT COUNTY. PARKIN
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 30, 7:01 PM CDT | Severe Thunderstorm Warning | MPX | Carver, Sibley | 59 min |
| Jun 30, 7:13 PM CDT | Tornado Warning | MPX | Carver, McLeod | 32 min |
| Jun 30, 7:22 PM CDT | Severe Thunderstorm Warning | MPX | Hennepin | 68 min |
| Jun 30, 7:42 PM CDT | Tornado Warning | MPX | Carver | 33 min |
| Jun 30, 7:47 PM CDT | Tornado Warning | MPX | Sibley | 28 min |
| Jun 30, 7:54 PM CDT | Severe Thunderstorm Warning | MPX | Le Sueur, Nicollet | 51 min |
| Jun 30, 8:13 PM CDT | Tornado Warning | MPX | Scott | 32 min |
| Jun 30, 8:22 PM CDT | Severe Thunderstorm Warning | MPX | Nicollet | 68 min |
| Jun 30, 8:32 PM CDT | Tornado Warning | MPX | Le Sueur, Nicollet | 28 min |
| Jun 30, 8:42 PM CDT | Severe Thunderstorm Warning | MPX | Brown | 48 min |
| Jun 30, 8:49 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Scott | 21 min |
| Jun 30, 8:51 PM CDT | Tornado Warning | MPX | Blue Earth, Nicollet | 54 min |
| Jun 30, 9:41 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Waseca | 49 min |
| Jun 30, 9:41 PM CDT | Severe Thunderstorm Warning | MPX | Watonwan | 49 min |
| Jun 30, 10:19 PM CDT | Tornado Warning | MPX | Freeborn | 26 min |
| Jun 30, 10:52 PM CDT | Severe Thunderstorm Warning | MPX | Freeborn | 38 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 1994Every severe thunderstorm warning in 1994
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.